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A positive charge of 4.40 µC is fixed in place. From a distance of 4 centimeter a from the fixed positive charge, a particle of mass 6.20 gram and charge +3.20 µC is released from rest. Evaluate what is the speed of the +3.20 µC when it is 7.90 centimeter away from the fixed positive charge?
the acceleration of a particle is directly proportional to the square time t. when t 0 the particle is at x 24m.
The voltage across a resistor is equal to the product of the current through the resistor and the resistance of the resistor, What is the potential difference of the battery
A cylindrical copper cable carries a current of 1040 A. There is a potential difference of 1.60 10-2 V between two points on the cable that are 0.37 m apart. What is the radius of the cable?
The speed of an object is known to be 3.0 X 108m/s. You measure the velocity of the object during an experiment, find the percent error associated with these two values
A metal object is suspended from a spring scale. The scale reads 920 N when the object is suspended in air and 750 N when the object is completely submerged in water. Discover the volume of the object. Discover the density of the metal.
Astronomers discover an exoplanet (a planet of a star other than the Sun) that has an orbital period of 3.35 Earth years in its circular orbit around its sun, Find the radius of the exoplanet\'s orbit
A 60 kg woman stands at the rim of a horizontal turntable having a moment of inertia of 500 kg-m2 and a radius of 2.0 m. In what direction and with what angular speed does the turntable rotate
What force must be applied to push a carton weighing287 newtons up a 19° incline, if the coefficient of kineticfriction is 0.3. Assume the force isapplied parallel to the incline and the velocity is constant.
In Fig. 15-53, three 18000 kg ore cars are held at rest on amine railway using a cable that is parallel to the rails, which areinclined at angle θ = 34°. The cable stretches 21 cm justbefore the coupling between the two lower cars breaks, detachin..
a pumpkin is pushed horizontally at a speed of 2.2 m/s off of a desktop that is 0.8 meters above the floor. how far frome the base of the desk
A glass flask whose volume is 1000.33 at 0 is completely filled with mercury at this temperature. Compute the coefficient of volume expansion of the glass
two capacitors are connected in parallel across the terminals of a battery. one has a capacitance of 2.0 microf and the
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